<!DOCTYPE html>
<html lang="en">
<head587>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../css/bootstrap.css">
    <script src="../js/html5shiv.js"></script>
    <script src="../js/popper.js"></script>
    <script src="../js/respondjs.js"></script>
    <script src="../js/jquery-3.4.1.js"></script>
    <script src="../js/bootstrap.js"></script>

</head587++.>
<body>
<div class="container" >

    <h2>创建模态框（Modal）</h2>
    <!-- 按钮触发模态框 -->
    <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">开始演示模态框</button>
    <!-- 模态框（Modal） -->
    <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                    <h4 class="modal-title" id="myModalLabel">模态框（Modal）标题</h4>
                </div>
                <div class="modal-body">在这里添加一些文本</div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
                    <button type="button" class="btn btn-primary">提交更改</button>
                </div>
            </div><!-- /.modal-content -->
        </div><!-- /.modal -->
    </div>

</div>
</body>
</html>
